Diversity receiver

Details Diversity receiver Diversity receiver

1995-11-10

1998-05-26

Chin, Stephen

Pulse or digital communications

Receivers

Interference or noise reduction

455132, 455135, H04B 710

Patent

active

057578664

ABSTRACT:
A diversity receiver respectively receiving signals in two branches includes two demodulating sections for producing respective amplitude and phases of received signals at a unit of symbol. The receiver includes a memory access section for producing an amplitude ratio of the amplitude of the received signals and a phase difference between the phases of the received signals. The receiver further includes a storage section for storing at least one relative phase difference between a phase of a vector-combined signal combined based on the received signals and one of the phases of the received signals for an address given by the amplitude ratio and the phase difference of the received signals. The phase of the vector-combined signal is previously calculated based on the amplitude ratio, the phase difference, and the one of the phases of the received signals. The receiver further includes an adding section for adding the relative phase difference produced from the storage section being addressed by the amplitude ratio and the phase difference produced from the memory access section to the one of the phases of the received signals to produce the phase of the vector-combined signal combined based on the received signals.

REFERENCES:
patent: 4710945 (1987-12-01), Bocci et al.
patent: 5321850 (1994-06-01), Backstrom et al.
patent: 5440590 (1995-08-01), Birchler et al.
patent: 5481569 (1996-01-01), Conti et al.
patent: 5487091 (1996-01-01), Jasper et al.

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